x402 census · 7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.aws · 8efeb0473789 · JSON
POST /paid/validation-attest
method-gated
ERC-8004 validation attestation: RSoft Bank acts as Validator for an AI agent and vouches for a caller-supplied claim (claim_hash + claim_type). It first runs the agent through KYA and refuses if that fails; on success it signs a JWT attestation and, when the Validation Registry is configured, anchors the attestation hash on Base and returns the transaction hash. Use it when an agent needs a bank…
Verdict: not verified by an unpaid GET. 405/400: the 402 sits behind the declared method. This says nothing about whether the route works when called as declared.
Facts from the catalogs
| Field | Value |
|---|---|
| URL | https://7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.aws/paid/validation-attest |
| Method | POST |
| Price | $1.00 USDC = 1000000 atomic units of 0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913 |
| Network | eip155:8453 (base) |
| payTo | 0xB684898D3f4437D93848456141445c66Aa322B13 |
| Seller | 7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.aws |
| Catalogs | cdp (row updated 2026-10-19) |
| Listed since (lower bound) | 2026-10-19 (earliest catalog timestamp; catalogs report last-update times only) |
| Last catalog update | 2026-10-19 |
| CDP quality counters | 4 calls and 2 unique payers in 30 days, last call 2026-10-19 (catalog-reported, not verified on chain) |
| Category (keyword rule) | identity/trust/kyc |
| Templated path | no |
| x402Version in catalog | 2 |
| Service name / tags | RSoft Bank · attestation, erc-8004, validator, trust, ai-agents |
Unpaid probe (census of 2026-10-22)
| Field | Value |
|---|---|
| Probed at | 2026-10-22T00:31:48.286Z |
| HEAD | 405 |
| GET | 405 |
| Verdict | method-gated 405/400: the 402 sits behind the declared method |
| 402 carried in | n/a |
| x402Version in the 402 | n/a |
| accepts[0] | none |
| Live amount equals catalog price | not comparable |
| Live payTo equals catalog payTo | not comparable |
| extensions.bazaar in the 402 | no |
| PAYMENT-REQUIRED header | no |
| WWW-Authenticate offer | none |
| Content type / server / CORS | application/json / n/a / none |
| Latency | 260 ms |
| Error | none |
No hourly re-probe has reached this resource yet; the cron covers a rotating slice of 150 per hour.
On-chain facts for the payTo (public address)
| Field | Value |
|---|---|
| Settlement history | unresolved: payTo not seen in the payer forensics (180 wallets' outbound history) or the Blockscout sample |
Declared input and output (extensions.bazaar)
{
"input": {
"body": {
"agent_id": "0x4cffda4ff0a6c4918609067d2f77aad6dfc9ae9b",
"claim_hash": "0xabababababababababababababababababababababababababababababababab",
"claim_type": "generic"
},
"bodyType": "json",
"method": "POST",
"type": "http"
},
"output": {
"type": "json",
"example": {
"attested": true,
"tx_hash": "0x..."
}
}
}
Try it (unpaid: shows the 402)
curl -si -X POST 'https://7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.aws/paid/validation-attest' -H 'accept: application/json' -H 'content-type: application/json' --data '{}'
The catalog declares POST. A 402 answer carries the payment requirements in the JSON body and, for x402 v2, base64 in the PAYMENT-REQUIRED header. This page never sends a payment.
Paid checks (x402, USDC on Base)
GET https://bazaar.agentexchange.work/r/8efeb0473789/probe.json re-runs this probe right now for $0.01 and writes the result here. POST https://bazaar.agentexchange.work/featured with {"id":"8efeb0473789"} places this resource at the top of the report and search pages for 30 days for $1.00, labelled. Unpaid requests answer 402 with the terms. Pricing.
Catalog references: agentic.market (CDP Bazaar front end) · this record as JSON · all resources on 7mavs5vu7ggbhtxvbavdgs26qa0cbawg.lambda-url.us-east-1.on.aws.